F7R WILLIAMS

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Technical data — F7R WILLIAMS

Displacement1998cc
Production Years1993–1996
Block MaterialCast Iron
Cylinder CoatingNone
Block Height (mm)—
Bore Spacing (mm)—
Bore (mm)82.70
Stroke (mm)93.00
Rod Length (mm)144 (shared with F4R, confirmed via F4R’s "144RF2L" part reference)
Wrist Pin Diameter (mm)21
Rod Big End Bore (mm)51.6mm
Rod Big End Thickness (mm)25mm
Rod Small End Thickness (mm)—
Cylinders4
CH (mm)30.7
Compression Ratio9.8–10.4 (sources vary)
Combustion Chamber (cc)—
Skirt Coating Required (all Series)—
Crown Coating Required (all Series)—
Engine Code(s)—
Engine Type(s)—
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